/Engine/Source/Runtime/UMG/Public/Components/ComboBoxKey.h
The combobox allows you to display a list of options to the user in a dropdown menu for them to select one. Use OnGenerateConentWidgetEvent to return a custom built widget.
class UComboBoxKey : public [UWidget](API\Runtime\UMG\Components\UWidget)
FGenerateWidget...
OnGenerateContentWidget
Called when the widget is needed for the content.
FGenerateWidget...
OnGenerateItemWidget
Called when the widget is needed for the item.
FOnOpeningEvent
OnOpening
Called when the combobox is opening
FOnSelectionCha...
OnSelectionChanged
Called when a new item is selected in the combobox.